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Coating Inspection Application Notes
DeFelsko Coating Thickness and Inspection Instruments

Measurement of Polyurea Coatings
This application note details the use of PosiTector Inspection instruments in accordance to SSPC-PA 14, "Application of Thick Film Polyurea and Polyurethane Coatings to Concrete and Steel using Plural Component Equipment".

Coating Quality Control on Concrete Substrates
Coated concrete is commonly used as a building material and is arguably the most likely to experience coating failures. As with other building materials, applying coatings to concrete requires specific measures to ensure coating performance and longevity.

Powder Coating Thickness Measurement & Paperless QA
This article describes the technologies available to measure the thickness of cured and uncured coating powders. It reviews working principles and associated industry test methods and standards, and discusses recent trends in paperless quality assurance (QA).

Coating Thickness Measurement on Concrete & Masonry Substrates
DeFelsko’s PosiTector 200 coating thickness gage is ideal for non-destructively measuring the dry film thickness of coatings on concrete and masonry substrates. This eliminates the need to repair the coating after inspection, saving time for both the inspector and the contractor.

Offset Printing Blanket Thickness Measurement
DeFelsko’s PosiTector 6000 coating thickness gage provides quick and easy blanket, packing and plate thickness measurements to ensure good print quality and lower maintenance costs.

Dry Film Thickness Measurement on Wood Substrates
Non-destructive measurement of wood finishes and other coatings on wood and wood products (MDF, Vaneer, laminated composites and more).
Ultrasonic Paint Thickness Measurement on Plastic Substrates
DeFelsko manufactures hand-held, non-destructive ultrasonic coating thickness gages that are ideal for non-destructively measuring the dry film thickness of coatings on plastic. Many industries now use this nondestructive technology in their quality programs.
Powder Coating Thickness on Steel, Aluminum and Wood
Powder coating inspectors often need a means to verify the thickness of parts as early as possible in the coating process.
Measurement of Conformal Coating on Printed Circuit Boards
DeFelsko manufactures hand-held, non-destructive coating thickness gages that are ideal for measuring the dry film thickness of conformal coatings on Printed Circuit Boards (PCBs).

Paint Thickness Measurement on Drywall (Gypsum board)
The focus of this application is on DeFelsko's unique ability to non-destructively measure paint thickness on gypsum board (more commonly referred to as drywall). Commercial contracts often require an independent inspection of the work upon completion.

Automotive Paint Inspection - Paint Meters
DeFelsko manufactures the PosiTest DFT, which is a hand-held, non-destructive paint meter that is ideal for measuring the thickness of automotive paint on aluminum or steel automotive panels. For Automotive Refinishers, Resellers, Dealerships, Inspectors & more.
Automotive Paint Detailing
DeFelsko manufactures various hand-held, non-destructive paint thickness gages that are ideal for use in automotive paint detailing.
Using Magnetic Coating Thickness Gauges to Measure Galvanizing on Steel
A complete overview on how Coating Thickness Gauges are used within the galvanizing industry. It describes gauge choices, the 4 measuring steps, several precautions to be taken, and answers to commonly asked questions.
Ultrasonic Thickness Measurement of UV-Cured Coatings
Coating thickness gages that use ultrasonic measurement techniques are becoming increasingly popular in industries that work with rigid substrates, such as wood, plastic and composites. This June 2008 Radtech Report article describes the working principle and benefits of ultrasonic testing.
Measurement of Lacquer thickness on Guitars
Lacquer is applied to the guitar to attain a glass-like sheen while showing the beauty and luster of the instrument. DeFelsko manufactures gages that are ideal for measuring the dry film thickness of lacquers on guitar substrates such as graphite and wood.
Anodizing Thickness Measurement on Aluminum
DeFelsko manufactures a hand-held, non-destructive coating thickness gage that is ideal for measuring the thickness of anodizing on aluminum. 
Adhesion of Sealers on Thermal Spray Coatings
John J. Crowe and Michael J. Makosky, G.P.I.. discuss Adhesion of Sealers on Thermal Spray Coatings in accordance with ASTM D4541 (Section E) in this December 2003 JPCL article.
Measurement of Effects of Erosion and Corrosion
With ultrasonic thickness gages, an accurate measurement of the remaining wall thickness of a substrate can be taken on pipes, pressure vessels, storage tanks, boilers or other equipment prone to erosion or corrosion.
Measurement of Adhesion Strength
The PosiTest AT series of pull-off adhesion testers, along with proper selection of dolly size, enable an operator to accurately measure the bond strength of most types of coating applied to any rigid substrate. 
Measuring Outdoor Climatic Conditions
A major factor affecting the long term performance of coatings on steel structures is the climatic conditions during pre-treatment and coating application.
Coating Thickness Measurement on Wires
DeFelsko manufactures various hand-held, non-destructive paint thickness gauges that are ideal for measuring coating thickness on wires.
Intumescent Fire Resistive Coating Thickness Measurement
These coatings are designed to provide an insulating barrier between flames and steel and are necessary to ensure the structural performance of the steel members at the temperatures anticipated during a fully developed fire. Both of these characteristics are highly dependant on the proper thickness...
Ultrasonic Measurement of Aircraft Windows
DeFelsko manufactures a hand-held, non-destructive ultrasonic thickness gage that is ideal for measuring the thickness of aircraft windows during the window restoration process.
Screen Printing - Measurements (mesh, emulsion, stencil thickness)
The PosiTector 6000 FS accurately and non-destructively measures mesh, emulsion and stencil thickness, as well as substrate and dry ink deposit thickness. 
OPC Drum Wear Measurement
The OPC drum is the most expensive component of a toner cartridge and drives the entire print process. Life expectancy is considered depleted when 5 to 15 microns (0.2 to 0.6 mils) of coating has been worn away. As the amount of wear approaches half of its original thickness, automatic scrap decisions are often made.


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